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How to create an SFTP user without shell access on your Linux system

botond published 2021. 01. 20, Wed - 22: 38 time
You may want to share larger files with others, or just receive ones that no longer fit in an email. Of course, there are also free file shares for this purpose, but if two-way data transfer is required more often, for example during teleworking, it is more expedient to solve this ourselves. SFTP (SSH File Transfer Protocol) is great for this, offering a secure file transfer solution over an SSH connection, unlike an unencrypted and outdated FTP connection. SFTP is available by default on any server that also has SSH access. As a result, in the present situation, the SSH connection has so many beauty flaws that it also provides a shell access, which we will not need here right now, because we do not want to be able to access other directories on our computer through the access we share. In this tutorial, we will look at how to create an SFTP user without shell access on your Linux system.

How to upgrade our Matomo (formerly Piwik) web analytics system to version 4.x (page 2)

botond published 2020. 12. 15., K - 09: 34 time
The Matomo (formerly Piwik) web analytics system is a high-quality statistical tool that provides us with a detailed and comprehensive view of our website traffic. I have previously described how to install and deploy Matomo software on your own server, and in this tutorial we will review how to upgrade your web analytics system to the recently released 4.x major version. The web statistics program also contains many new features, but in this description we do not focus on these, but we satisfy the software requirements for the new main version so that the system can continue to operate stably. On this page, we will provide the post-upgrade system requirements.

How to upgrade our Matomo (formerly Piwik) web analytics system to version 4.x.

botond published 2020. 12. 15., K - 09: 30 time
The Matomo (formerly Piwik) web analytics system is a high-quality statistical tool that provides us with a detailed and comprehensive view of our website traffic. I have previously described how to install and deploy Matomo software on your own server, and in this tutorial we will review how to upgrade your web analytics system to the recently released 4.x major version. The web statistics program also contains many new features, but in this description we do not focus on these, but we satisfy the software requirements for the new main version so that the system can continue to operate stably. On this page we will make the necessary settings before the update and update Matomo.

Convenient use of terminal windows with Asbrú Connection Manager (page 2)

botond published 2020. 11. 16., H - 23: 18 time
If you use the command line frequently and have to work in several windows at once, it is essential to have a multi-tab terminal application that is comfortable to use and has the right knowledge. In this small user tutorial, you will learn about the Asbrú Connection Manager Linux application and its basic functions. On this page, we review how to manage, set up, and use SSH connections.

Convenient use of terminal windows with Asbrú Connection Manager

botond published 2020. 11. 16., H - 23: 17 time
If you use the command line frequently and have to work in several windows at once, it is essential to have a multi-tab terminal application that is comfortable to use and has the right knowledge. In this small user tutorial, you will learn about the Asbrú Connection Manager Linux application and its basic functions. On this page, we will install the program and review the global settings.

How to run sudo commands without using a password

botond published 2020. 10. 06., K - 23: 37 time
When you often need to run other commands as root using sudo, you may need to type the password every time. Although the session "remembers" the previously entered password for a while, we don't have to retype it for a while, but we need to re-identify ourselves after a while. Also, if you work with multiple users, you will need our passwords more often. And if you also want to use commands running with root privileges in Shell scripts, you definitely need to avoid typing passwords so that our programs can run automatically. In this short description, we will look at how to persistently avoid asking for a password when using sudo.

How to migrate your Apache-based web server running LAMP or ISPConfig if the server's IP address changes

botond published 2020. 08. 11., K - 22: 35 time
Sometimes, for some reason, we get a new IP address, so we also need to modify the appropriate configuration files and make settings on our web server to keep the services running on the server running. Whether it is a home test environment, a live web server, or moving the server to another (network) environment, we need to make these settings in each case. In this description, we will go through the settings inside or outside the server that we need to change in order for the services on the machine to work with the new IP address.

How to control your remote computer with Chrome Remote Desktop

botond published 2020. 07. 09., Cs - 16: 27 time
There is often a need to control a remote computer from another machine or even our cell phone. I installed Google Remote Desktop to control my Debian 10 from the other desktop, but I found that the remote Debian came in with a blank desktop on the remote control interface. This is because Google Remote Desktop on Linux machines basically starts a new session instead of using an existing desktop. In this description, after installing and starting the program, we make a setting that allows the remote control part to be connected to the same session on Linux host machines, which allows us to use the remote control system in the usual way.

Server monitoring with Munin on Debian 9 (Stretch) and Debian 10 (Buster) (page 2)

botond published 2020. 02. 17., H - 14: 44 time
By making the web and other services running on our server available to the public, there may be a need for a comprehensive monitoring system that allows us to track information about the utilization of various resources on our server from one place. Many of these softwares are available today, on this page we review the handling and use of Munin plugins.

Server monitoring with Munin on Debian 9 (Stretch) and Debian 10 (Buster)

botond published 2020. 02. 17., H - 14: 42 time
By making the web and other services running on our server available to the public, there may be a need for a comprehensive monitoring system that allows us to track information about the utilization of various resources on our server from one place. Many of these softwares are available today, and in this tutorial we will look at the installation and commissioning of a server monitor package called Munin on Debian 9 (Stretch) and Debian 10 (Buster).